@misc{behling_membrantrenntechnik__1996, 
author={Behling, R.-D.},
title={Membrantrenntechnik},
year={1996},
howpublished = {lecture: Universitaet Hannover; 1995-1996},
note = {Online available at: \url{} (DOI). Behling, R.: Membrantrenntechnik. Universitaet Hannover, 1996.}}